Esempi in C++ (Cpp) per lirc_get_signal

Esempio n. 1

File: lirc_parallel.c Progetto: mikuhatsune001/linux2.6.32

static void lirc_lirc_irq_handler(void *blah)
{
	struct timeval tv;
	static struct timeval lasttv;
	static int init;
	long signal;
	int data;
	unsigned int level, newlevel;
	unsigned int timeout;

	if (!is_open)
		return;

	if (!is_claimed)
		return;

#if 0
	/* disable interrupt */
	  disable_irq(irq);
	  out(LIRC_PORT_IRQ, in(LIRC_PORT_IRQ) & (~LP_PINTEN));
#endif
	if (check_pselecd && (in(1) & LP_PSELECD))
		return;

#ifdef LIRC_TIMER
	if (init) {
		do_gettimeofday(&tv);

		signal = tv.tv_sec - lasttv.tv_sec;
		if (signal > 15)
			/* really long time */
			data = PULSE_MASK;
		else
			data = (int) (signal*1000000 +
					 tv.tv_usec - lasttv.tv_usec +
					 LIRC_SFH506_DELAY);

		rbuf_write(data); /* space */
	} else {
		if (timer == 0) {
			/*
			 * wake up; we'll lose this signal, but it will be
			 * garbage if the device is turned on anyway
			 */
			timer = init_lirc_timer();
			/* enable_irq(irq); */
			return;
		}
		init = 1;
	}

	timeout = timer/10;	/* timeout after 1/10 sec. */
	signal = 1;
	level = lirc_get_timer();
	do {
		newlevel = lirc_get_timer();
		if (level == 0 && newlevel != 0)
			signal++;
		level = newlevel;

		/* giving up */
		if (signal > timeout
		    || (check_pselecd && (in(1) & LP_PSELECD))) {
			signal = 0;
			pr_notice("timeout\n");
			break;
		}
	} while (lirc_get_signal());

	if (signal != 0) {
		/* adjust value to usecs */
		__u64 helper;

		helper = ((__u64) signal)*1000000;
		do_div(helper, timer);
		signal = (long) helper;

		if (signal > LIRC_SFH506_DELAY)
			data = signal - LIRC_SFH506_DELAY;
		else
			data = 1;
		rbuf_write(PULSE_BIT|data); /* pulse */
	}
	do_gettimeofday(&lasttv);
#else
	/* add your code here */
#endif

	wake_up_interruptible(&lirc_wait);

	/* enable interrupt */
	/*
	  enable_irq(irq);
	  out(LIRC_PORT_IRQ, in(LIRC_PORT_IRQ)|LP_PINTEN);
	*/
}

Esempio n. 2

File: lirc_parallel.c Progetto: DirtyDroidX/android_kernel_htc_m8ul

static void irq_handler(void *blah)
{
	struct timeval tv;
	static struct timeval lasttv;
	static int init;
	long signal;
	int data;
	unsigned int level, newlevel;
	unsigned int timeout;

	if (!is_open)
		return;

	if (!is_claimed)
		return;

#if 0
	
	  disable_irq(irq);
	  out(LIRC_PORT_IRQ, in(LIRC_PORT_IRQ) & (~LP_PINTEN));
#endif
	if (check_pselecd && (in(1) & LP_PSELECD))
		return;

#ifdef LIRC_TIMER
	if (init) {
		do_gettimeofday(&tv);

		signal = tv.tv_sec - lasttv.tv_sec;
		if (signal > 15)
			
			data = PULSE_MASK;
		else
			data = (int) (signal*1000000 +
					 tv.tv_usec - lasttv.tv_usec +
					 LIRC_SFH506_DELAY);

		rbuf_write(data); 
	} else {
		if (timer == 0) {
			timer = init_lirc_timer();
			
			return;
		}
		init = 1;
	}

	timeout = timer/10;	
	signal = 1;
	level = lirc_get_timer();
	do {
		newlevel = lirc_get_timer();
		if (level == 0 && newlevel != 0)
			signal++;
		level = newlevel;

		
		if (signal > timeout
		    || (check_pselecd && (in(1) & LP_PSELECD))) {
			signal = 0;
			printk(KERN_NOTICE "%s: timeout\n", LIRC_DRIVER_NAME);
			break;
		}
	} while (lirc_get_signal());

	if (signal != 0) {
		
		__u64 helper;

		helper = ((__u64) signal)*1000000;
		do_div(helper, timer);
		signal = (long) helper;

		if (signal > LIRC_SFH506_DELAY)
			data = signal - LIRC_SFH506_DELAY;
		else
			data = 1;
		rbuf_write(PULSE_BIT|data); 
	}
	do_gettimeofday(&lasttv);
#else
	
#endif

	wake_up_interruptible(&lirc_wait);

	
}